// HACKER NEWS — CYBERSECURITY
Show HN: Capsule – Single-file web apps that save their data into SQLite
Capsule packs your entire app — UI, data, and everything — into a single portable .capsule file. No cloud. No accounts. Just share it.
Capsule turns simple prompts into complete, self-contained desktop applications. No cloud
servers, no databases to configure, no complex build setups.
Describe the application, layout, or features you want to build.
Generates a complete single-file .capsule container with HTML UI, schema, and local
SQLite data.
Modify features, dark mode, or schemas on the fly via direct AI prompts or MCP coding
tools.
Choose an AI assistant below to start building your app.
Capsule brings the simplicity of documents together with the power of native desktop and
mobile applications.
Forget cloud accounts, servers, and subscriptions. Capsule bundles your user interface, media
assets, and local database into a single, portable .capsule file.
Send it via WhatsApp, AirDrop, or email just like a PDF or Word document. When the recipient
taps the file, it launches instantly with all your data preloaded, ready to use.
Send interactive trackers, portfolios, or tools in standard message threads. Tapping
open works immediately.